经会阴超声测量子宫宫颈前角及宫颈长度预测早产的应用价值
王珍琦, 冯鸿, 邓学东
Value of anterior uterocervical angle and cervical length measured by trans-perineum ultrasound in predicting premature delivery
Zhenqi Wang, Hong Feng, Xuedong Deng
中华医学超声杂志（电子版）
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2019, (11): 853
-856
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DOI: 10.3877/cma.j.issn.1672-6448.2019.11.011
